QVideoDeviceSelectorControl Class

The QVideoDeviceSelectorControl class provides an video device selector media control. More...

Header: #include <QVideoDeviceSelectorControl>
qmake: QT += multimedia
Inherits: QMediaControl

Public Functions

virtual ~QVideoDeviceSelectorControl()
virtual int defaultDevice() const = 0
virtual int deviceCount() const = 0
virtual QString deviceDescription(int index) const = 0
virtual QString deviceName(int index) const = 0
virtual int selectedDevice() const = 0

Public Slots

virtual void setSelectedDevice(int index) = 0

Signals

void devicesChanged()
void selectedDeviceChanged(int index)
void selectedDeviceChanged(const QString & name)

Protected Functions

QVideoDeviceSelectorControl(QObject * parent = 0)

Macros

Detailed Description

The QVideoDeviceSelectorControl class provides an video device selector media control.

The QVideoDeviceSelectorControl class provides descriptions of the video devices available on a system and allows one to be selected as the endpoint of a media service.

The interface name of QVideoDeviceSelectorControl is org.qt-project.qt.videodeviceselectorcontrol/5.0 as defined in QVideoDeviceSelectorControl_iid.

Member Function Documentation

[protected] QVideoDeviceSelectorControl::QVideoDeviceSelectorControl(QObject * parent = 0)

Constructs a video device selector control with the given parent.

[virtual] QVideoDeviceSelectorControl::~QVideoDeviceSelectorControl()

Destroys a video device selector control.

[pure virtual] int QVideoDeviceSelectorControl::defaultDevice() const

Returns the index of the default video device.

[pure virtual] int QVideoDeviceSelectorControl::deviceCount() const

Returns the number of available video devices;

[pure virtual] QString QVideoDeviceSelectorControl::deviceDescription(int index) const

Returns a description of the video device at index.

[pure virtual] QString QVideoDeviceSelectorControl::deviceName(int index) const

Returns the name of the video device at index.

[signal] void QVideoDeviceSelectorControl::devicesChanged()

Signals that the list of available video devices has changed.

[pure virtual] int QVideoDeviceSelectorControl::selectedDevice() const

Returns the index of the selected video device.

See also setSelectedDevice().

[signal] void QVideoDeviceSelectorControl::selectedDeviceChanged(int index)

Signals that the selected video device index has changed.

[signal] void QVideoDeviceSelectorControl::selectedDeviceChanged(const QString & name)

Signals that the selected video device name has changed.

[pure virtual slot] void QVideoDeviceSelectorControl::setSelectedDevice(int index)

Sets the selected video device index.

See also selectedDevice().

Macro Documentation

QCameraInfoControl_iid

org.qt-project.qt.camerainfocontrol/5.3

Defines the interface name of the QCameraInfoControl class.

QVideoDeviceSelectorControl_iid

org.qt-project.qt.videodeviceselectorcontrol/5.0

Defines the interface name of the QVideoDeviceSelectorControl class.